proteasome
(redirected from 26s proteosome)Also found in: Dictionary, Medical.
proteasome
[′prōd·ē·ə‚sōm] (biochemistry)
A large proteolytic particle found in the cytoplasm and nucleus of all eukaryotic cells that is the site for degradation of most intracellular proteins.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.